Telephone instrument set



FIG. 1 is a front perspective view from above and to one side of a telephone instrument set showing my new design;

FIG. 2 is a rear perspective view thereof from the other side and above;

FIG. 3 is a rear view thereof from above; and

FIG. 4 is an enlarged perspective view of the underside of the handset of the instrument shown removed from the base of the set. 

The ornamental design for a telephone instrument set, as shown. 